MacBook Air is not booting

I have a MacBook Air with Mac OS X Leopard (10.5). I am trying to boot the system and I can not.
The problem is that when the system boots and i am inserting my passcode it accepts the code and it starts the booting to the desktop screen, but instead of that after some minutes the system returns again and asking me my pass code.
What is the proplem what i have to do?
Thank you.

after pressing the start button ...
i am inserting my code..
i press enter, it accepts the code and i am waiting to this screen for some minutes..
and finally it return again on picture 2 that is asking for the code again..

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Pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?, pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?

pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?, pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?

See here > http://support.apple.com/kb/TS2570

My macbook air will not boot

My Macbook Air will not boot. It starts and hangs up at the apple logo. Is there a bypass to see what the problem is?

Try a Safe Boot by holding down the Shift key between the startup tone and the Apple Logo. This will take longer than a normal boot and display a progress indicator. If successful, Go to System Preferences > Startup disks > select your Boot drive and restart.
Regards,
Captfred

My MacBook Air will not boot up all the way.

My MacBook Air will not boot up all the way, it only allows me to sign in and then it stays on a white screen. I tried restarting, rebooting, recovery and smc reset. Nothing works, it stays with the same problem. How can I fix this?

Try a safe boot:
http://support.apple.com/kb/HT1564?viewlocale=en_US
Ciao.

MacBook Air will not boot. Error Message says "Your Computer restarted because of a problem."

MacBook Air will not boot. Error Message says "Your Computer restarted because of a problem."

If you can't start up and log in in the usual way, try in safe mode.
During startup, you’ll see a progress bar, and then the login screen, which appears even if you normally log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Log in as an administrator to carry out these instructions. If you have only one account, you are the administrator.
If you don't see any reports listed, but you know there was a panic, you may have chosen Diagnostic and Usage Messages from the log list. Choose DIAGNOSTIC AND USAGE INFORMATION instead.
Safe mode is slower than normal, and some things won’t work at all.
Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t start in safe mode.
If you're able to log in, launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
In the Console window, select
DIAGNOSTIC AND USAGE INFORMATION ▹ System Diagnostic Reports
(not Diagnostic and Usage Messages) from the log list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar.
There is a disclosure triangle to the left of the list item. If the triangle is pointing to the right, click it so that it points down. You'll see a list of reports. A panic report has a name that begins with "Kernel" and ends in ".panic". Select the most recent one. The contents of the report will appear on the right. Use copy and paste to post the entire contents—the text, not a screenshot.
I know the report is long, maybe several hundred lines. Please post all of it anyway.
If you don't see any reports listed, but you know there was a panic, you may have chosen Diagnostic and Usage Messages from the log list. Choose DIAGNOSTIC AND USAGE INFORMATION instead.
In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.)
Please don’t post other kinds of diagnostic report.

Macbook air does not boot (Question mark icon)

Hi everyone...
This is actually a friend's problem so will need your guidence in very specific things... He owns a MacBook Air, that no longer boots in the Mac OSX. It just stays blank with the very well known questionmark / finder icon on the screen. As far as my knowledge goes, if it was a MacBook or a MacBook Pro, I would just connect it to my iMac with a firewire cable, turn the MacBook Air on as a hard drive (pressing the T key at start up) and try to back up the files or re-install the OS X if possible. But sadly that's not the case. Air doesn't have a Firewire port and I can't make a connection via USB...
So my questions to you are the following:
1. Is there any possible way (other than opening Air and removing the disk) to connect MacBook Air with another Mac to try to back up its contents, like the Firewire method?
2. How can I start the installation process of an OS if MacBook Air can't login (without superdrive obviously)?
I hope to hear from you guys soon, and I thank you in advance for rading all that text...!

First go through this diagnostic proceedure to see if it works.
http://support.apple.com/kb/TS1440?viewlocale=en_US
If that didn't help then to create a clone. You will need the Carbon Copy Cloner app from this site:
http://www.bombich.com/
Make sure that the system you clone is supported on the MBair that you intend to boot. For example, 10.7.2 Lion will boot all versions of the MBair. 10.6.8 Snow Leopard will run on all previous MBairs Except the latest July 2011 version which requires Lion.
Use CCC to clone your system to an external disk. Then plug the disk into the MBair and boot holding the Option key down. The boot manager will give you the external disk as an option to boot from.
Now that you're running from the clone, you can use and/or repair the internal disk of the MBair.

MacBook Air will not boot to previous image

I got a new MacBook Air for my company and used a prior image that has been used on previous model MacBook Pro's (Retina 15", 13", Air 2012, etc). When I apply the image, it does not boot. Is there any way I can get the dmg to boot on the new laptop without me having to rebuild it from scratch?
Please advise.

Welcome to Apple Support Communities
What Mac OS X version has the image got? Note that the new MacBook Air isn't compatible with OS X 10.8.4 or older. If the image doesn't contain this version, you won't be able to use that image. Also, note that the MacBook Air may use a special version that isn't compatible with the OS X 10.8.4 version available for other Macs, so you won't be able to boot from the image

Macbook air will not boot 10.5.7 after screen replacement

Hello
Following screen replacement on original macbook air I can only take system to 10.5.6. Will not update to 10.5.7 or 10.6.
Any suggestions?
GeorgeV

BTW, I see the threads on the Thunderbolt update kernel panics. I was kind of hoping Apple resolved the problem since I thought they had pulled the update. Anyway, I do not *think* I am getting a Kernel panic as the boot does not even get as far as the Apple logo. It just sits on the gray screen and does nothing.

My MacBook air will not boot up completely

My Machook air has crashed. While using iPhoto to review photos taken with a 12 mp camera, the computer warned me in several languages to restart. This has occurred on several occasions using iPhoto. Upon shutting the computer down and after restarting the computer, it failed to boot up completely, shutting off halfway through the process. I tried resetting the pram however the computer only provided me with a choice of repairing the hard drive or reformatting the computer.
After several attempts to repair the HD/Disk. It gave a message to save what files I could and reformat the drive and reinstall the softwear. However the computer will not let me do so and gives me a message that the HD is locked. Futher attempts to restart or reset ends in failure. The computer will not boot up completely before it crashes/shutsdown.
Thanks in advance for any help.

Make a "Genius" appointment at an Apple Store to have the machine tested.

My macbook air is not booting after installin windows 7 32 bit via boot camp.. when ever i try to turn it on, the screen starts like it is gonna work but suddendly it turns dark ?!?!

I recently had to install windows on my macbook air, so installed windows 7 using boot camp.. The installation went great and that entire day i was workin on windows on my macbook.. Althogth the next day my macbook air refused to work when i turned it on showing only a glimpse of starting screen.. What did i do wrong?!?! How to solve this issue. My book air is only 3 months old and worked perfectly before installing windows.. Any help would be appreciated.. Thank you..

check and make sure your screen brightness is up - (fn F6)

MacBook Air will not boot "Error -6003F"?

Booting Macbook Air would show white screen with folder containing flashing ?. Tried booting with OSX Snow Lepard. Now comes on with white screen and Apple Logo. Using an external USB 2 DVD powered by computer. No external power source. Holding the option key during boot I'm asked for my network choice and password then it shows Internet Restore on globe that switches to ! error code _6003F.
Won't boot! Any help out there, Thanks

Booting Macbook Air would show white screen with folder containing flashing ?. Tried booting with OSX Snow Lepard. Now comes on with white screen and Apple Logo. Using an external USB 2 DVD powered by computer. No external power source. Holding the option key during boot I'm asked for my network choice and password then it shows Internet Restore on globe that switches to ! error code _6003F.
Won't boot! Any help out there, Thanks

Macbook air does not boot after yosemite update

After latest Yosemite update my Mac book Air is not finishing to reboot, all I see is the white apple on the black screen and the progress bar whch loads slowly and kind of get stuck half the way to the end, and it stays there forever.
I forced to restart with the start hardware key and it does the same. any idea what went wrong and or what can I do next?
thanks

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

Macbook air will not connect to the wifi network

I recently had to replace my wireless network router and now my macbook air will not connect to the network. it worked fine with the old wireless router. Now, i get a "unable to join wi-fi network" message. The network ID (SSID) and password (WPA) are the same as before. I try to manually enter the password, but continue to get the previous message.
Any help in figuring out how to correct this problem is greatly appreciated.
Also, I have several PCs in the house that have had zero problems connecting to my wireless with the new router. What am I doing wrong?

Hi,
Ever since did the last airport utility update this has been happening.
I believe the airport utility update is solely a software update. Repair permission and repair disk (boot from your installation disk A) may help.
Other wise, http://osxdaily.com/2009/12/22/mac-wireless-problems-guide-to-troubleshooting-ai rport-wireless-problems-on-your-mac/ may help, too.
Cheers.

Hello to you all, my Macbook Air won's boot up and upon diagnosis, i realized my startup disk is full to 99% even with 2GB Hard Disk space. It wont also enable me boot into safe mode too. Please help as all my work documents and project files are on HD

Hello to you all,
My Macbook Air won's boot up and upon diagnosis, i realized my startup disk is full to 99% even with 2GB Hard Disk space. It wont also enable me boot into safe mode too.
when i power up, i get this prolong gray screen which wont change screen but remain so. Infact i am handicapped.
Please help as all my work documents and project files are on this machine and i can't afford to loose them all...
Please, should you have any solution please send me the details to [email protected]
Thanks you a millionh times.
Al.

The MBA seems to cause several problems to several users on boot ups
On start up my MBA would not boot up the apple logo came on but only a blank screen appeared no fan i followed several start up recommendations but to no avail so I took the MBA to the nearest Apple repair centre again the same symptoms on start up ......very sorry sir you need a new mother board that will be $500 not feeling confidant in the product declined and was going to put it on ebay for spares.
On return home I pressed the start up button and it started normally everything was working fine i decided to reinstall all the software what has caused the problem I have no idea but it is after several attempted reboots it finally started on its own so don't give up if you have this problem it may come to life

My MacBook Air is not charging...any help?Model Name: MacBook Air Model Identifier: MacBookAir4,2 Processor Name: Intel Core i5 Processor Speed: 1.7 GHz Number of Processors: 1 Total Number of Cores: 2 L2 Cache (per Cor

My MacBook Air is not charging...any help?
Model Name: MacBook Air
Model Identifier: MacBookAir4,2
Processor Name: Intel Core i5
Processor Speed: 1.7 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache (per Core): 256 KB
L3 Cache: 3 MB
Memory: 4 GB
Boot ROM Version: MBA41.0077.B11
Model Name: MacBook Air
Model Name: MacBook Air
Model Identifi
Total Number of Cores: 2
L2
L3 Cache: 3 MB
Memory: 4 GB
Boot ROM Ver

Hi HarmitClaire,
Welcome to the Apple Support Communities!
I understand that your MacBook Air is not charging as expected. In this situation there are troubleshooting steps that I would recommend. Please use the attached article as a resource for steps to help you resolve this situation.
Mac notebooks: All about batteries - Apple Support
My battery is not charging
Confirm the correct wattage AC adapter for the computer. A power adapter rated for a lower wattage than is required for the system may not reliably charge the computer. For assistance identifying the proper adapter, review Intel Based Mac notebooks: Identifying the right power adapter and power cord--US. Additional adapter troubleshooting is available in Troubleshooting MagSafe adapters. If issues persist please reset the SMC.
Best regards,
Joe

MacBook Air is not booting

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